# STC SA7791SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of manual electric trim system Model ST-407
- Applied: February 15, 1991
- Status date: February 28, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/27/65/2765c37350a0b2f39fefc0030be645d7c624e4c8828ca2989863d52a88d98bcd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6CFD88DFD4938FE685256CC20056A496.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7791SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Bqjarnnrnt of Transportation — jfotoal Eolation 3dmirastranon Supplemental 'Cgpc Certificate SA7791SW-D S-TEC Corporation Rt. 4, "Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 £'^ 3 jyfjA* C 1 V 1 1 A 1 P 3 A 1 5 Beech V35B Installation of S-TEC Manual Electric Trim System, Model ST-407, according to Bulletin No. 507, dated 2-12-91 and Master Drawing List No. 92538, dated 2-12-91 and/or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on the above model when modified by STC SA1035WE (Turbocharged Engine).

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89915, dated 2-28-91 is required and/or later FAA Approved revisions of the above supplement.

3. Compatibility of this modification with other previously approved modifications must be determined by the installer.

<4fft{ r—tfAr-r"^ tr/t'-^—rtk^- 'it- r^ •-••-''* \ — oft/— ,--,&'— tr— ^~~: 2-15-91 _ — • 2-28-91 Williaitr J. Thomas DAS Staff Coordinator, DAS 5 SW (Till*) ___ Any alteration a/MM ttttiJuaU it punishable by a fiat of not (sending SI,OOP, vr impriionmtnl not txutding 3 ytan, or both.

nil artijltmtt m*f 1» ti*iuftrn4 in MttrJunt wi(A FAX 21.47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and £1P code) from (Name of grantor) (Print or type) (Address of grantor) (Nunthfr and sired ) ( Cilr. Slale. and ^IP tode ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- February 28, 1991: Issued, Current. [certificate](https://openairdocs.org/files/sha256/27/65/2765c37350a0b2f39fefc0030be645d7c624e4c8828ca2989863d52a88d98bcd)

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